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Subject: Re: [PATCH 1/3] ath11k: add handler for scan event
 WMI_SCAN_EVENT_DEQUEUED
From:   Kalle Valo <kvalo@codeaurora.org>
In-Reply-To: <20210914164226.38843-1-jouni@codeaurora.org>
References: <20210914164226.38843-1-jouni@codeaurora.org>
To:     Jouni Malinen <jouni@codeaurora.org>
Cc:     ath11k@lists.infradead.org, linux-wireless@vger.kernel.org,
        Wen Gong <wgong@codeaurora.org>,
        Jouni Malinen <jouni@codeaurora.org>
User-Agent: pwcli/0.1.0-git (https://github.com/kvalo/pwcli/) Python/3.7.3
Message-Id: <20210928135758.16CB7C4360D@smtp.codeaurora.org>
Date:   Tue, 28 Sep 2021 13:57:58 +0000 (UTC)
Precedence: bulk

Jouni Malinen <jouni@codeaurora.org> wrote:

> When wlan interface is up, 11d scan is sent to the firmware, and the
> firmware needs to spend couple of seconds to complete the 11d scan. If
> immediately a normal scan from user space arrives to ath11k, then the
> normal scan request is also sent to the firmware, but the scan started
> event will be reported to ath11k until the 11d scan complete. When timed
> out for the scan started in ath11k, ath11k stops the normal scan and the
> firmware reports WMI_SCAN_EVENT_DEQUEUED to ath11k for the normal scan.
> ath11k has no handler for the event and then timed out for the scan
> completed in ath11k_scan_stop(), and ath11k prints the following error
> message.
> 
> [ 1491.604750] ath11k_pci 0000:02:00.0: failed to receive scan abort comple: timed out
> [ 1491.604756] ath11k_pci 0000:02:00.0: failed to stop scan: -110
> [ 1491.604758] ath11k_pci 0000:02:00.0: failed to start hw scan: -110
> 
> Add a handler for WMI_SCAN_EVENT_DEQUEUED and then complete the scan to
> get rid of the above error message.
> 
> Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-01720.1-QCAHSPSWPL_V1_V2_SILICONZ_LITE-1
> 
> Signed-off-by: Wen Gong <wgong@codeaurora.org>
> Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

3 patches applied to ath-next branch of ath.git, thanks.

441b3b5911f8 ath11k: add handler for scan event WMI_SCAN_EVENT_DEQUEUED
c677d4b1bcc4 ath11k: indicate scan complete for scan canceled when scan running
62db14ea95b1 ath11k: indicate to mac80211 scan complete with aborted flag for ATH11K_SCAN_STARTING state

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20210914164226.38843-1-jouni@codeaurora.org/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches